PHYSICS LECTURE 1 2027 UPDATE WITH COMPLETE SOLUTIONS
Question 1.
mechanics are
Correct Answer: segment of physics that deals with motion
Question 2.
diagnostic ultrasound uses high frequency--- waves
Correct Answer: mechanical
Question 3.
doppler ultrasound uses the
Correct Answer: motion of blood in the heart or vessels to create multicolor
images of flow
Question 4.
Energy
Correct Answer: capability/ability to do work
Question 5.
symbol for energy
Correct Answer: E
Question 6.
unit for energy
Correct Answer: joules (J)
Question 7.
law of conservation of energy
Correct Answer: Energy cannot be created or destroyed, only changed
Question 8.
total energy remains
Correct Answer: constant
,Question 9.
forms of energy
Correct Answer: mechanical, chemical, thermal, nuclear and electrical
Question 10.
forms of mechanical energy
Correct Answer: kinetic and potential
Question 11.
kinetic energy
Correct Answer: energy of motion of an object
Question 12.
potential energy
Correct Answer: stored energy from position
Question 13.
force can change
Correct Answer: the state of rest or motion of matter
Question 14.
force
Correct Answer: A push or pull exerted on an object
Question 15.
symbol for force
Correct Answer: F
Question 16.
unit of force
Correct Answer: Newton (N)
Question 17.
pressure
Correct Answer: force applied over an area
, Question 18.
what kind of variable is pressure
Correct Answer: acoustic
Question 19.
formula for pressure
Correct Answer: pressure = force/area
Question 20.
displacement
Correct Answer: distance a body has moved
Question 21.
speed
Correct Answer: how fast something an object moved and how long it took
Question 22.
formula for speed
Correct Answer: speed = distance/time
Question 23.
unit for speed
Correct Answer: meters per second (m/s)
Question 24.
velocity
Correct Answer: Speed in a given direction
Question 25.
symbol for velocity
Correct Answer: V
Question 26.
unit for velocity
Question 1.
mechanics are
Correct Answer: segment of physics that deals with motion
Question 2.
diagnostic ultrasound uses high frequency--- waves
Correct Answer: mechanical
Question 3.
doppler ultrasound uses the
Correct Answer: motion of blood in the heart or vessels to create multicolor
images of flow
Question 4.
Energy
Correct Answer: capability/ability to do work
Question 5.
symbol for energy
Correct Answer: E
Question 6.
unit for energy
Correct Answer: joules (J)
Question 7.
law of conservation of energy
Correct Answer: Energy cannot be created or destroyed, only changed
Question 8.
total energy remains
Correct Answer: constant
,Question 9.
forms of energy
Correct Answer: mechanical, chemical, thermal, nuclear and electrical
Question 10.
forms of mechanical energy
Correct Answer: kinetic and potential
Question 11.
kinetic energy
Correct Answer: energy of motion of an object
Question 12.
potential energy
Correct Answer: stored energy from position
Question 13.
force can change
Correct Answer: the state of rest or motion of matter
Question 14.
force
Correct Answer: A push or pull exerted on an object
Question 15.
symbol for force
Correct Answer: F
Question 16.
unit of force
Correct Answer: Newton (N)
Question 17.
pressure
Correct Answer: force applied over an area
, Question 18.
what kind of variable is pressure
Correct Answer: acoustic
Question 19.
formula for pressure
Correct Answer: pressure = force/area
Question 20.
displacement
Correct Answer: distance a body has moved
Question 21.
speed
Correct Answer: how fast something an object moved and how long it took
Question 22.
formula for speed
Correct Answer: speed = distance/time
Question 23.
unit for speed
Correct Answer: meters per second (m/s)
Question 24.
velocity
Correct Answer: Speed in a given direction
Question 25.
symbol for velocity
Correct Answer: V
Question 26.
unit for velocity
